The SLF7055T-330M1R5-PF is a shielded power inductor manufactured by TDK Corporation. These inductors are designed for use in power supply circuits, offering high efficiency and low EMI (Electromagnetic Interference). The “330M1R5” in the part number indicates an inductance of 33uH with a tolerance. These inductors are often found in DC-DC converters and other power management applications.

Applications

• DC-DC converters: Used as energy storage elements in step-up (boost), step-down (buck), and other DC-DC converter topologies.
• Power supply circuits: Provides filtering and energy storage in power supplies for various electronic devices.
• Portable devices: Used in smartphones, tablets, and other portable devices to efficiently manage power.
• LED lighting: Provides efficient power conversion in LED driver circuits.
• Noise filtering: Filters out unwanted noise in power lines and signal lines.

Features

• Shielded construction: Reduces electromagnetic interference (EMI) and minimizes noise.
• High current capability: Can handle high current levels without saturation.
• Low DC resistance: Minimizes power loss and improves efficiency.
• Compact size: Allows for use in space-constrained applications.
• High inductance value: Provides effective energy storage in power circuits.

Benefits

• Reduced EMI: Shielded construction minimizes electromagnetic interference, preventing noise from affecting other circuits.
• High Efficiency: Low DC resistance minimizes power loss, improving overall circuit efficiency.
• Compact Design: Small size allows for use in space-constrained applications.
• Reliable Performance: High current capability ensures stable performance under heavy load conditions.
• Stable Inductance: Maintains a stable inductance value over a wide range of temperatures and frequencies.

Additional Details

The SLF7055T-330M1R5-PF comes in a surface-mount package. The dimensions are approximately 7.0mm x 7.0mm x 5.5mm. It's designed for reflow soldering. The saturation current and rated current are critical parameters to consider for specific application needs. Consult the TDK datasheet for detailed specifications, including inductance tolerance, DC resistance, saturation current, rated current, and self-resonant frequency.